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Android interview questions with answers Here are some of the Android interview questions and answers to help you if you are planning on attending an interview. What is Android? Ans. Android is an open source operating system that is mainly used on mobile devices like tablets and Smartphones. Its operations are mainly based on the Linux kernel system which comprises of rich elements that enable developers to develop and run apps that are able to carry out both basic and advanced functions. What are intents? Ans. Intents display messages of notification from within the Android enabled device to the user. Intents are used to notify the user when a particular state occurs, and users have the opportunity to respond to the notification. What is ANR? Ans. ANR is the acronym for Application Not Responding. When an application is unresponsive for a long time, the dialogue shows up to let the user know about the situation. What is Orientation? Ans. Orientation di

Most important topics: 1.Java OOPs concepts.( Lesson: Object-Oriented Programming Concepts ) 2.Java Basics.( Lesson: Language Basics ) 3.Java Collections.( Collections in Java - javatpoint ) 4.Java Exceptions. 5.Multi Threading. 6.Class/Object     Where to use /When to use / How to use/How to create     7.Thread Concepts.   1.Where to use /When to use / How to use/How to create   2.Life cycle.   3.Types. 8.Synchoronization    1.Where to use /When to use / How to use/How to create    2.Types.     9.serialization/deserialization 10.Interface   1.Where to use /When to use / How to use/How to create   2.Uses of interface/why we are using. 11.String /String Buffer/String Builder.   1.difference between thease three.   2.Where to use /usage. 12.Static    1.Uses of static keyword. 13.Sorting   1.Bubble sort   2.Quick sort.   3.selection sort.   4.Insertion sort.   4.Merge sort 14.Java Data structure.    1.Stack.    2.Queue.    3.Linked list. 15.Java Annotations.   1.@Deprecated   2.@Override

Display All Contacts from Contacts application in ListView Above output checked in Real Device. xml files under values folder: strings.xml: <?xml version="1.0" encoding="utf-8"?> <resources>     <string name="app_name">Display All Contacts</string>     <string name="action_settings">Settings</string>     <string name="hello_world">Hello world!</string>     <string name="btitle">Load Contacts</string> </resources>   xml files under layout folder: activity_main.xml: <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"     xmlns:tools="http://schemas.android.com/tools"     android:id="@+id/LinearLayout1"     android:layout_width="match_parent"     android:layout_height="match_parent"     android:orientation="vertical" >     <Button         android:id=&

Android Interview Questions Android programming is growing day by day. The questions asked by interviewers in android is given below. A list of top android interview questions and answers are given below. 1) What is Android? Android is an open-source, linux-based operating system that is used in mobiles, tablets, televisions etc. 2) Who is the founder of Android? Andy Rubin. 3) Explain the Android application Architecture. Following is a list of components of Android application architecture: Services:  Used to perform background functionalities. Intent:  Used to perform the inter connection between activities and the data passing mechanism. Resource Externalization:  strings and graphics. Notification:  light, sound, icon, notification, dialog box and toast. Content Providers:  It will share the data between applications. 4) What are the code names of android? Aestro Blender Cupcake Donut Eclair Froyo Gingerbread Honycomb Ice Cream Sandw